Re: Replication
- From: "Paul Bergson" <pbergson@xxxxxxxxxxxxxxxxx>
- Date: Fri, 10 Feb 2006 07:50:13 -0600
Nice details
--
Paul Bergson MCT, MCSE, MCSA, CNE, CNA, CCA
This posting is provided "AS IS" with no warranties, and confers no rights.
"Cary Shultz" <cwshultz@xxxxxxxx> wrote in message
news:eml5TggLGHA.2416@xxxxxxxxxxxxxxxxxxxxxxx
Tim,
Real quickly on Replication in Active Directory.
There are three Naming Contexts, or partitions, that replicate.
The Schema NC
The Configuration NC
The Domain NC
The first two will replicate to each and every Domain Controller in the
entire Forest. The third one will replicate only to Domain Controllers in
that specific Domain. So, in your case, a Domain Controller located in
the 'New York' Domain will indeed replicate the Schema NC and the
Configuration NC with a Domain Controller in the 'Los Angeles' Domain;
but, it will not replicate the Domain NC with that Domain Controller.
Also, there is Inter-Site replication and there is Intra-Site replication.
The Intra-Site replication takes place between all Domain Controller that
are located in that specific Site. Inter-Site replication takes place
between one Domain Controller in SiteA (the BHS, or Bridgehead Server, for
that Site) and one Domain Controller in SiteB (the BHS for that Site).
Sites in this sense would be what you create in Active Directory Sites and
Services.
The Global Catalog Server is something that can only be run on Domain
Controllers and is responsible for holding a Partial Attribute Set of all
the 'objects' in the Forest.
See if this link helps you:
http://technet2.microsoft.com/WindowsServer/en/Library/24311c41-d2a1-4e72-a54f-150483fa885a1033.mspx
Make sure, for example, that you do not have user account objects that are
direct members of Universal Security or Distribution Groups. Remember,
only the attribute for which a value was changed will replicate; not the
entire object. And, for this to be a problem with the Global Catalog the
attribute has to have the isMemmberofPartialAttributeSet value set to
true. There has been a nice modification to this in WIN2003 over how it
worked in WIN2000. You do not mention what the NOS is!
--
Cary W. Shultz
Roanoke, VA 24012
"Tim Chin" <blank> wrote in message
news:OAO9TWbLGHA.2064@xxxxxxxxxxxxxxxxxxxxxxx
I don't know of this document but 1,500 objects is exteemely small.
Having 22 domains is very big for the object count. The amount of
replication traffic happening can't be that significant. I would look
at finding ways to simplfy the number of domains you have, this sounds
like an admin nightmare. Hopefully it is only one forest.
It is a single forest and it is a nightmare! Below is the text from the
document titled 'Enterprise Design for Active Directory':
The addition of domains increases the amount of information that must be
maintained, which adds to the global catalog traffic. If there are
enough domains present in the forest, this traffic could be greater than
the replication traffic generated by a single domain.
I wonder how many 'enough domains' is...
--
Tim
.
- References:
- Replication
- From: Tim Chin
- Re: Replication
- From: Paul Bergson
- Re: Replication
- From: Tim Chin
- Re: Replication
- From: Cary Shultz
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